Washington Members
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State Members

Washington Department of Labor & Industries
Post Office Box 44450
Olympia, Washington 98504
(360) 902-5571

Washington Department of Labor & Industries
Plumber Certification Program

Post Office Box 44470
Olympia, Washington 98504
(360) 902-5207

Associate Members

Momentum, Inc.
1520 4th Avenue, Suite 300
Seattle, Washington 98101 
(206) 267-1900

NASCLA
23309 North 17th Drive, Building 1, Suite 110, Phoenix, Arizona 85027
Phone: (623) 587-9354 • Email: info@nascla.org